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#!/usr/bin/env bash
# SPDX-License-Identifier: GPL-2.0-only
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# written by Tobias Powalowski <tpowa@archlinux.org>
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. /usr/lib/archboot/basic-common.sh
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_TITLE = " Archboot ${ _RUNNING_ARCH } | Basic Setup | Network Configuration "
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_printk( )
{
case ${ 1 } in
"on" ) echo 4 >/proc/sys/kernel/printk ; ;
"off" ) echo 0 >/proc/sys/kernel/printk ; ;
esac
}
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_online_switch( ) {
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if _dialog --title " Offline Mode " --defaultno --yesno "Do you want to switch to Online Mode?" 5 45; then
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rm /var/cache/pacman/pkg/archboot.db
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else
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_cleanup
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fi
}
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_net_interfaces( ) {
find /sys/class/net/* -type l ! -name 'lo' -printf '%f ' -exec cat { } /address \;
}
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_essid_list( ) {
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# only show lines with signal '*'
# kill spaces from the end and replace spaces with + between
# '+' character is one of 6 forbidden characters in SSID standard
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for dev in $( iwctl station " ${ _INTERFACE } " get-networks | grep '\*' | cut -c 1-41 | sed -e 's|\ *.$||g' -e 's|^.*\ \ ||g' -e 's| |\+|g' ) ; do
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echo " ${ dev } "
[ [ " ${ 1 } " ] ] && echo " ${ 1 } "
done
}
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_wireless( ) {
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_WLAN_HIDDEN = ""
_WLAN_SSID = ""
_WLAN_KEY = ""
_WLAN_AUTH = ""
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# disconnect the interface first!
iwctl station " ${ _INTERFACE } " disconnect & >" ${ _NO_LOG } "
# clean old keys first!
rm -f /var/lib/iwd/* & >" ${ _NO_LOG } "
_CONTINUE = ""
while [ [ -z " ${ _CONTINUE } " ] ] ; do
# scan the area
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_dialog --no-mouse --infobox " Scanning for SSIDs with interface ${ _INTERFACE } ... " 3 50
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iwctl station " ${ _INTERFACE } " scan & >" ${ _NO_LOG } "
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sleep 5
#shellcheck disable=SC2086,SC2046
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if _dialog --cancel-label " ${ _LABEL } " --title " SSID Scan Result " --menu "Empty spaces in your SSID are replaced by '+' char" 13 60 6 \
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$( _essid_list _) \
"HIDDEN" "SSID" "RESCAN" "SSIDs" 2>" ${ _ANSWER } " ; then
_WLAN_SSID = $( cat " ${ _ANSWER } " )
_CONTINUE = 1
if grep -q 'RESCAN' " ${ _ANSWER } " ; then
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_CONTINUE = ""
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fi
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else
_abort
fi
done
_WLAN_CONNECT = "connect"
if [ [ " ${ _WLAN_SSID } " = = "HIDDEN" ] ] ; then
_dialog --no-cancel --title " HIDDEN SSID " --inputbox "" 7 65 "secret" 2>" ${ _ANSWER } "
_WLAN_SSID = $( cat " ${ _ANSWER } " )
_WLAN_CONNECT = "connect-hidden"
_WLAN_HIDDEN = 1
fi
# replace # with spaces again
#shellcheck disable=SC2001,SC2086
_WLAN_SSID = " $( echo ${ _WLAN_SSID } | sed -e 's|\+|\ |g' ) "
# expect hidden network has a WLAN_KEY
#shellcheck disable=SC2143
if ! [ [ " $( iwctl station " ${ _INTERFACE } " get-networks | grep -w " ${ _WLAN_SSID } " | cut -c 42-49 | grep -q 'open' ) " ] ] \
|| [ [ " ${ _WLAN_CONNECT } " = = "connect-hidden" ] ] ; then
_dialog --no-cancel --title " Connection Key " --inputbox "" 7 50 "Secret-WirelessKey" 2>" ${ _ANSWER } "
_WLAN_KEY = $( cat " ${ _ANSWER } " )
fi
# time to connect
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_dialog --no-mouse --infobox " Connecting to SSID=' ${ _WLAN_SSID } ' with interface ${ _INTERFACE } ... " 3 70
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_printk off
if [ [ -z " ${ _WLAN_KEY } " ] ] ; then
iwctl station " ${ _INTERFACE } " " ${ _WLAN_CONNECT } " " ${ _WLAN_SSID } " & >" ${ _NO_LOG } " && _WLAN_AUTH = 1
else
iwctl --passphrase= " ${ _WLAN_KEY } " station " ${ _INTERFACE } " " ${ _WLAN_CONNECT } " " ${ _WLAN_SSID } " & >" ${ _NO_LOG } " && _WLAN_AUTH = 1
fi
sleep 3
_printk on
if [ [ -n " ${ _WLAN_AUTH } " ] ] ; then
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_dialog --no-mouse --infobox " Authentification to SSID=' ${ _WLAN_SSID } ' was successful. " 3 70
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sleep 3
return 0
else
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_dialog --title " ERROR " --no-mouse --infobox " Authentification to SSID=' ${ _WLAN_SSID } ' failed. Please configure again! " 3 70
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sleep 5
return 1
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fi
}
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_network( ) {
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if [ [ -e "/var/cache/pacman/pkg/archboot.db" ] ] ; then
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_online_switch
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fi
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_NETPARAMETERS = ""
while [ [ -z " ${ _NETPARAMETERS } " ] ] ; do
# select network interface
_INTERFACE = ""
_INTERFACES = $( _net_interfaces)
while [ [ -z " ${ _INTERFACE } " ] ] ; do
#shellcheck disable=SC2086
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if _dialog --cancel-label " ${ _LABEL } " --title " Network Interface " --menu "" 11 40 5 ${ _INTERFACES } 2>" ${ _ANSWER } " ; then
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_INTERFACE = $( cat " ${ _ANSWER } " )
else
_abort
fi
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done
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echo " ${ _INTERFACE } " >/.network-interface
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# iwd renames wireless devices to wlanX
if echo " ${ _INTERFACE } " | grep -q wlan; then
_CONNECTION = "wireless"
else
_CONNECTION = "ethernet"
fi
# profile name
_NETWORK_PROFILE = ""
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_dialog --no-cancel --title " Network Profile Name " --inputbox "" 6 40 " ${ _INTERFACE } - ${ _CONNECTION } " 2>" ${ _ANSWER } "
_NETWORK_PROFILE = /etc/systemd/network/$( cat " ${ _ANSWER } " ) .network
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# wifi setup first
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_CONTINUE = ""
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while [ [ -z " ${ _CONTINUE } " && " ${ _CONNECTION } " = = "wireless" ] ] ; do
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if _wireless; then
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_CONTINUE = 1
else
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_CONTINUE = ""
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fi
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done
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# dhcp switch
_IP = ""
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if _dialog --yesno "Do you want to use DHCP?" 5 40; then
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_IP = "dhcp"
_IPADDR = ""
_GW = ""
_DNS = ""
else
_IP = "static"
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_dialog --no-cancel --title " IP Address And Netmask " --inputbox "" 7 40 "192.168.1.23/24" 2>" ${ _ANSWER } "
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_IPADDR = $( cat " ${ _ANSWER } " )
_dialog --no-cancel --title " Gateway " --inputbox "" 7 40 "192.168.1.1" 2>" ${ _ANSWER } "
_GW = $( cat " ${ _ANSWER } " )
_dialog --no-cancel --title " Domain Name Server " --inputbox "" 7 40 "192.168.1.1" 2>" ${ _ANSWER } "
_DNS = $( cat " ${ _ANSWER } " )
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fi
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# http/ftp proxy settings
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_dialog --no-cancel --title " Proxy Server " --inputbox "\nhttp://name:port\nhttp://ip:port\nhttp://username:password@ip:port\n\n Leave the field empty if no proxy is needed to install." 12 65 "" 2>" ${ _ANSWER } "
_PROXY = $( cat " ${ _ANSWER } " )
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_PROXIES = "http_proxy https_proxy ftp_proxy rsync_proxy HTTP_PROXY HTTPS_PROXY FTP_PROXY RSYNC_PROXY"
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_dialog --title " Summary " --yesno " Interface: ${ _INTERFACE } \nConnection: ${ _CONNECTION } \nNetwork profile: ${ _NETWORK_PROFILE } \nSSID: ${ _WLAN_SSID } \nHidden: ${ _WLAN_HIDDEN } \nKey: ${ _WLAN_KEY } \ndhcp or static: ${ _IP } \nIP address: ${ _IPADDR } \nGateway: ${ _GW } \nDNS server: ${ _DNS } \nProxy setting: ${ _PROXY } " 0 0 && _NETPARAMETERS = 1
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done
# write systemd-networkd profile
echo " # $_NETWORK_PROFILE generated by archboot setup " > " ${ _NETWORK_PROFILE } "
#shellcheck disable=SC2129
echo "[Match]" >> " ${ _NETWORK_PROFILE } "
echo " Name= ${ _INTERFACE } " >> " ${ _NETWORK_PROFILE } "
echo "" >> " ${ _NETWORK_PROFILE } "
echo "[Network]" >> " ${ _NETWORK_PROFILE } "
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echo "MulticastDNS=yes" >> " ${ _NETWORK_PROFILE } "
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[ [ " ${ _IP } " = = "dhcp" ] ] && echo "DHCP=yes" >> " ${ _NETWORK_PROFILE } "
if [ [ " ${ _CONNECTION } " = = "wireless" ] ] ; then
#shellcheck disable=SC2129
echo "IgnoreCarrierLoss=3s" >>" ${ _NETWORK_PROFILE } "
fi
if [ [ " ${ _IP } " = = "static" ] ] ; then
#shellcheck disable=SC2129
echo " Address= ${ _IPADDR } " >>" ${ _NETWORK_PROFILE } "
echo " Gateway= ${ _GW } " >>" ${ _NETWORK_PROFILE } "
echo " DNS= ${ _DNS } " >>" ${ _NETWORK_PROFILE } "
fi
# set proxies
if [ [ -z " ${ _PROXY } " ] ] ; then
for i in ${ _PROXIES } ; do
unset " ${ i } "
done
else
for i in ${ _PROXIES } ; do
export " ${ i } " = " ${ _PROXY } "
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echo " export ${ i } = ${ _PROXY } " >> /etc/profile.d/proxy.sh
chmod a+x " ${ _DESTDIR } " /etc/profile.d/proxy.sh
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done
fi
if [ [ -e /etc/systemd/network/10-wired-auto-dhcp.network ] ] ; then
echo "Disabled Archboot's bootup wired auto dhcp browsing." >" ${ _LOG } "
rm /etc/systemd/network/10-wired-auto-dhcp.network
fi
echo " Using setup's network profile ${ _NETWORK_PROFILE } now... " >" ${ _LOG } "
systemctl restart systemd-networkd
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systemctl restart systemd-resolved
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_dialog --no-mouse --infobox "Waiting for network link to come up..." 3 50
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# add sleep here for systemd-resolve get correct values
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_COUNT = 0
while true; do
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sleep 1
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if getent hosts www.google.com & >" ${ _LOG } " ; then
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_dialog --no-mouse --infobox "Network configuration completed successfully." 3 50
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sleep 2
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return 0
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fi
_COUNT = $(( _COUNT+1))
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# abort after 10 seconds
[ [ " ${ _COUNT } " = = 10 ] ] && break
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done
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if ! getent hosts www.google.com & >" ${ _LOG } " ; then
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_dialog --title " ERROR " --no-mouse --infobox "Your network is not working correctly, please configure again!" 3 60
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sleep 3
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return 1
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fi
}
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_check
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while true; do
_network && break
done
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_cleanup
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# vim: set ft=sh ts=4 sw=4 et: